#!/bin/bash　　

HOSTNAME="127.0.0.1"                                           #数据库信息
PORT="3306"
USERNAME="xkdichan"
PASSWORD="15935700"

DBNAME="test_db"                                                       #数据库名称
# TABLENAME="test_table_test"                                            #数据库中表的名称

#也可以写 HOSTNAME="localhost"，端口号 PORT可以不设定

 #创建数据库
create_db_sql="create database IF NOT EXISTS ${DBNAME}"
mysql -h${HOSTNAME}  -P${PORT}  -u${USERNAME} -p${PASSWORD} -e "${create_db_sql}"

# 注意：-p${PASSWORD}中间不能有空格

# # 创建表
# create_table_sql="create table IF NOT EXISTS ${TABLENAME} (  name varchar(20), id int(11) default 0 )"
# mysql -h${HOSTNAME}  -P${PORT}  -u${USERNAME} -p${PASSWORD}  -D ${DBNAME} -e "${create_db_sql}"

# #插入数据
# insert_sql="insert into ${TABLENAME} values('billchen',2)"
# mysql -h${HOSTNAME}  -P${PORT}  -u${USERNAME} -p${PASSWORD} ${DBNAME} -e  "${insert_sql}"

# #查询
# select_sql="select * from ${TABLENAME}"
# mysql -h${HOSTNAME}  -P${PORT}  -u${USERNAME} -p${PASSWORD} ${DBNAME} -e "${select_sql}"

# #更新数据
# update_sql="update ${TABLENAME} set id=3"
# mysql -h${HOSTNAME}  -P${PORT}  -u${USERNAME} -p${PASSWORD} ${DBNAME} -e "${update_sql}"
# mysql -h${HOSTNAME}  -P${PORT}  -u${USERNAME} -p${PASSWORD} ${DBNAME} -e  "${select_sql}"

# #删除数据
# delete_sql="delete from ${TABLENAME}"
# mysql -h${HOSTNAME}  -P${PORT}  -u${USERNAME} -p${PASSWORD} ${DBNAME} -e  "${delete_sql}"
# mysql -h${HOSTNAME}  -P${PORT}  -u${USERNAME} -p${PASSWORD} ${DBNAME} -e  "${select_sql}"